Fixed support for updating from managed surfaces.

TRAC #21621
Issue=311
Signed-off-by: Daniel Koch
Author: Nicolas Capens
(Fixes XP path that was broken in r1308)

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1313 736b8ea6-26fd-11df-bfd4-992fa37f6226
1 file changed